$(document).ready(function(){

	//Hide button left
	$("#reviewbuttonleft img").hide();
	
	//Count reviews
	var n = $("#reviewblock div").size();
	
	//Control variable
	var i = 1;
	
	//Set size
	$("#reviewblock").width(n*249);
	
	//Position function
	function position() {
		var m = parseInt($("#reviewblock").css("left").replace("px", ""));
		return m;
	};
	
		
	//Click on button left
	$("#reviewbuttonleft img").click(function(event){
	
		if(i>1){
		
			//Move
			$("#reviewblock").animate({ 
				left: "+=249px"
			}, 400 );
		
			//Show button right
			$("#reviewbuttonright img").fadeIn("slow");
			
			i--;
		
		}
		
		//Hide button left
		if(i==1){
			$("#reviewbuttonleft img").fadeOut("slow");
		}
		
		
	});

	//Click on button right
	$("#reviewbuttonright img").click(function(event){
	
		if(i<n-3){
		
			//Move
			$("#reviewblock").animate({ 
				left: "-=249px"
			}, 400 );
		
			//Show button left
			$("#reviewbuttonleft img").fadeIn("slow");
			
			i++;
		
		}
		
		
		//Hide button right
		if(i==n-3){
			$("#reviewbuttonright img").fadeOut("slow");
		}

   });
   


 });